Home / 193,490.22-290,318.49-100,061.58

Finding the Fourth Proportional to 193,490.22, 290,318.49 and 100,061.58

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Solution

The fourth proportional to 193,490.22, 290,318.49 and 100,061.58 is: 150,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,490.22 : 290,318.49 = 100,061.58 : x
  2. Step 2: Convert to fraction form
    193,490.22/290,318.49 = 100,061.58/x
  3. Step 3: Cross multiply
    193,490.22x = 290,318.49 × 100,061.58
  4. Step 4: Simplify right side
    193,490.22x = 29,049,726,812.61
  5. Step 5: Solve for x
    x = 29,049,726,812.61/193,490.22
  6. Step 6: Final answer
    x = 150,135.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.